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公开(公告)号:US767766A
公开(公告)日:1904-08-16
申请号:US1904205127
申请日:1904-04-27
Applicant: ROSENTHAL JAMES H
Inventor: ROSENTHAL JAMES H
CPC classification number: F22G7/14
公开(公告)号:US767766A
公开(公告)日:1904-08-16
申请号:US1904205127
申请日:1904-04-27
Applicant: ROSENTHAL JAMES H
Inventor: ROSENTHAL JAMES H
CPC classification number: F22G7/14