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公开(公告)号:CA179151A
公开(公告)日:1917-09-04
申请号:CA179151D
申请日:1916-08-02
Applicant: ZAHM EDWARD , ZAHM MFG COMPANY
Inventor: ZAHM EDWARD
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公开(公告)号:FR482617A
公开(公告)日:1917-04-05
申请号:FR482617D
申请日:1916-08-21
Applicant: ZAHM MFG COMPANY
IPC: B01D35/00
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公开(公告)号:CA144731A
公开(公告)日:1912-12-17
申请号:CA144731D
申请日:1912-10-21
Applicant: ZAHM EDWARD , ZAHM MFG COMPANY
Inventor: ZAHM EDWARD
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公开(公告)号:FR482616A
公开(公告)日:1917-04-05
申请号:FR482616D
申请日:1916-08-21
Applicant: ZAHM MFG COMPANY
IPC: B01D29/00
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公开(公告)号:NL316C
公开(公告)日:1914-09-01
申请号:NL911
申请日:1912-08-02
Applicant: ZAHM MFG COMPANY
IPC: C12H1/07
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