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公开(公告)号:US1910145A
公开(公告)日:1933-05-23
申请号:US50154630
申请日:1930-12-11
Applicant: BELKE WILLIAM E
Inventor: BELKE WILLIAM E
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公开(公告)号:US1652423A
公开(公告)日:1927-12-13
申请号:US13492226
申请日:1926-09-11
Applicant: BELKE WILLIAM E
Inventor: BELKE WILLIAM E
CPC classification number: B01D29/014 , B01D29/88 , B01D37/00 , B01D2201/265
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公开(公告)号:US1738515A
公开(公告)日:1929-12-10
申请号:US17983727
申请日:1927-03-31
Applicant: BELKE WILLIAM E
Inventor: BELKE WILLIAM E
IPC: C25D17/08
CPC classification number: C25D17/08 , Y10S204/07
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公开(公告)号:US1695795A
公开(公告)日:1928-12-18
申请号:US18373127
申请日:1927-04-14
Applicant: BELKE WILLIAM E
Inventor: BELKE WILLIAM E
IPC: C25D17/20
CPC classification number: C25D17/20
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公开(公告)号:US1426141A
公开(公告)日:1922-08-15
申请号:US54388922
申请日:1922-03-15
Applicant: BELKE WILLIAM E
Inventor: BELKE WILLIAM E
IPC: C25D21/06
CPC classification number: C25D21/06
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