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公开(公告)号：US3066998A
公开(公告)日：1962-12-04
申请号：US73351958
申请日：1958-05-07
Applicant: SHRI RAM INST FOR IND RES
Inventor： CHIPALKATTI VASANT B , CHIPALKATTI HANMANTA R , SHARMA SHRI P N
IPC: D06B19/00
CPC classification number: D06B19/0082
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