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公开(公告)号：US2954732A
公开(公告)日：1960-10-04
申请号：US66924157
申请日：1957-07-01
Applicant: DAYSTROM INC
Inventor： GONZENBACH KURT E
IPC: B41J27/10
CPC classification number: B41J27/10
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公开(公告)号：US3034125A
公开(公告)日：1962-05-08
申请号：US66781257
申请日：1957-06-25
Applicant: DAYSTROM INC
Inventor： GONZENBACH KURT E
IPC: G01R17/02
CPC classification number: G01R17/02
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