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公开(公告)号:US696508A
公开(公告)日:1902-04-01
申请号:US1902091999
申请日:1902-01-31
Applicant: STEWART WILLIAM
Inventor: STEWART WILLIAM
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公开(公告)号:US650433A
公开(公告)日:1900-05-29
申请号:US1899722645
申请日:1899-07-03
Applicant: WILLIAM P CLARKE , STEWART WILLIAM
Inventor: STEWART WILLIAM
CPC classification number: C03B9/04
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