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公开(公告)号:US3541688A
公开(公告)日:1970-11-24
申请号:US3541688D
申请日:1968-10-25
Applicant: NAT RES DEV
Inventor: MCLEAN JOHN WALFORD , HUGHES THOMAS HENRY
CPC classification number: A61C13/0003 , A61C5/20 , A61C5/70 , A61C5/73 , A61C5/77 , A61C13/30 , A61K6/0008 , A61K6/0044 , A61K6/0094 , A61K6/023 , A61K6/0235 , A61K6/04
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公开(公告)号:US3464837A
公开(公告)日:1969-09-02
申请号:US3464837D
申请日:1964-10-01
Applicant: NAT RES DEV
Inventor: MCLEAN JOHN WALFORD , HUGHES THOMAS HENRY
CPC classification number: C04B33/1315 , A61C13/08 , A61K6/0008 , A61K6/0091 , A61K6/0235 , C04B33/13
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