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公开(公告)号:US1805959A
公开(公告)日:1931-05-19
申请号:US15381226
申请日:1926-12-10
Applicant: STEPHENS ARNOLD A
Inventor: STEPHENS ARNOLD A
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公开(公告)号:US1805958A
公开(公告)日:1931-05-19
申请号:US15030726
申请日:1926-11-23
Applicant: STEPHENS ARNOLD A
Inventor: STEPHENS ARNOLD A
CPC classification number: F02F3/025 , F05C2201/021 , F16J9/063 , F16J9/145
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公开(公告)号:US1805957A
公开(公告)日:1931-05-19
申请号:US15811026
申请日:1926-12-30
Applicant: STEPHENS ARNOLD A
Inventor: STEPHENS ARNOLD A
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