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公开(公告)号:US2293541A
公开(公告)日:1942-08-18
申请号:US25136939
申请日:1939-01-17
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
IPC: F04C2/356
CPC classification number: F04C2/3564
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公开(公告)号:US2230943A
公开(公告)日:1941-02-04
申请号:US20197838
申请日:1938-04-14
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
IPC: B01D1/00
CPC classification number: B01D1/00
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公开(公告)号:US2188506A
公开(公告)日:1940-01-30
申请号:US16122337
申请日:1937-08-27
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
IPC: A23C1/04
CPC classification number: A23C1/04
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公开(公告)号:US2608125A
公开(公告)日:1952-08-26
申请号:US8634049
申请日:1949-04-08
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
IPC: G01J3/46
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15.
公开(公告)号:US2268871A
公开(公告)日:1942-01-06
申请号:US16122437
申请日:1937-08-27
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
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公开(公告)号:US2230944A
公开(公告)日:1941-02-04
申请号:US20197938
申请日:1938-04-14
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
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公开(公告)号:US2218530A
公开(公告)日:1940-10-22
申请号:US12138737
申请日:1937-01-21
Applicant: HALL JOSEPH M , TUCKER HERBERT E
Inventor: HALL JOSEPH M , TUCKER HERBERT E
IPC: F16H61/02
CPC classification number: F16H61/0293 , F16H2710/08 , Y10T74/19228 , Y10T74/1926 , Y10T74/19279
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公开(公告)号:US2189794A
公开(公告)日:1940-02-13
申请号:US3532835
申请日:1935-08-08
Applicant: HALL JOSEPH M , TUCKER HERBERT E
Inventor: HALL JOSEPH M , TUCKER HERBERT E
IPC: F16H61/02
CPC classification number: F16H61/0293 , F16H2718/12
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公开(公告)号:US2034391A
公开(公告)日:1936-03-17
申请号:US66128033
申请日:1933-03-17
Applicant: HALL JOSEPH M
Inventor: HALL JOSEPH M
IPC: E01F9/06
CPC classification number: E01F9/553
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公开(公告)号:US1347415A
公开(公告)日:1920-07-20
申请号:US24795718
申请日:1918-08-02
Applicant: SHERMAN FRANK A , HALL JOSEPH M
Inventor: SHERMAN FRANK A , HALL JOSEPH M
IPC: B21K1/00
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