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公开(公告)号:US631256A
公开(公告)日:1899-08-15
申请号:US1899711786
申请日:1899-04-05
Applicant: FREDERICK C KELLNER , KLEIN ADOLPH A
Inventor: KLEIN ADOLPH A
CPC classification number: E06B3/5063
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公开(公告)号:US1433894A
公开(公告)日:1922-10-31
申请号:US17574117
申请日:1917-06-20
Applicant: KLEIN ADOLPH A
Inventor: KLEIN ADOLPH A
IPC: F25D3/04
CPC classification number: F25D3/04
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