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1.
公开(公告)号:US3394026A
公开(公告)日:1968-07-23
申请号:US30991463
申请日:1963-09-03
Applicant: NAT RES DEV
Inventor: PARR NORMAN LAWRENCE , MARTIN GEORGE FRANK
IPC: C03C8/02 , C04B35/584 , C04B35/591
CPC classification number: C04B35/591 , C03C8/02 , C04B35/584
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公开(公告)号:US3525006A
公开(公告)日:1970-08-18
申请号:US3525006D
申请日:1968-02-29
Applicant: NAT RES DEV
Inventor: PARR NORMAN LAWRENCE , BOLSHAW SAM , MAY EDWIN RICHARD WELLS
CPC classification number: H01R39/24
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