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公开(公告)号:US1293459A
公开(公告)日:1919-02-04
申请号:US10020716
申请日:1916-05-27
Applicant: WALTER C SHULTZ , JOHNSON SINCLAIR J , JOHNSON SARAH
Inventor: JOHNSON SINCLAIR J , JOHNSON SARAH
CPC classification number: F04C2/3446
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公开(公告)号:US1364438A
公开(公告)日:1921-01-04
申请号:US10872916
申请日:1916-07-11
Applicant: WALTER C SHULTZ
Inventor: SARAH JOHNSON
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公开(公告)号:US1276372A
公开(公告)日:1918-08-20
申请号:US10484416
申请日:1916-06-21
Applicant: WALTER C SHULTZ , JOHNSON SINCLAIR J , JOHNSON SARAH
Inventor: JOHNSON SINCLAIR J , JOHNSON SARAH
CPC classification number: F04C14/185
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