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公开(公告)号:US719042A
公开(公告)日:1903-01-27
申请号:US1902098025
申请日:1902-03-13
Applicant: REINHOLD WILHELM
Inventor: REINHOLD WILHELM
CPC classification number: F16J15/22 , D07B2201/209
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公开(公告)号:US703469A
公开(公告)日:1902-07-01
申请号:US1900035161
申请日:1900-11-01
Applicant: REINHOLD WILHELM
Inventor: REINHOLD WILHELM
CPC classification number: F16J15/28
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