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公开(公告)号:US2332940A
公开(公告)日:1943-10-26
申请号:US33359040
申请日:1940-05-06
Applicant: SENKE CHARLES E
Inventor: SENKE CHARLES E
IPC: B08B9/08
CPC classification number: B08B9/08 , Y10T137/86244
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公开(公告)号:US1405016A
公开(公告)日:1922-01-31
申请号:US30091919
申请日:1919-05-31
Applicant: SENKE CHARLES E
Inventor: SENKE CHARLES E
IPC: A01J15/00
CPC classification number: A01J15/00
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