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公开(公告)号:US1629675A
公开(公告)日:1927-05-24
申请号:US26347618
申请日:1918-11-21
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G1/16
CPC classification number: F28G1/166
公开(公告)号:US1629675A
公开(公告)日:1927-05-24
申请号:US26347618
申请日:1918-11-21
Applicant: DIAMOND POWER SPECIALITY
Inventor: FRANK BOWERS
IPC: F28G1/16
CPC classification number: F28G1/166