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公开(公告)号：US1716021A
公开(公告)日：1929-06-04
申请号：US22858927
申请日：1927-10-25
Applicant: VON ZSOLNAY OTTO , CHARLES COQUELIN , WILLIAM SCHULZ
Inventor： VON ZSOLNAY OTTO , CHARLES COQUELIN , WILLIAM SCHULZ
IPC: F24H1/10
CPC classification number: F24H1/106
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