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公开(公告)号：CA815152A
公开(公告)日：1969-06-10
申请号：CA815152D
Applicant: NORTH AMERICAN ROCKWELL
Inventor： SAVITZ CHRISTIAN W
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公开(公告)号：US3448238A
公开(公告)日：1969-06-03
申请号：US3448238D
申请日：1965-03-26
Applicant: NORTH AMERICAN ROCKWELL
Inventor： SAVITZ CHRISTIAN W
CPC classification number: B23K9/201
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