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公开(公告)号:CA824889A
公开(公告)日:1969-10-14
申请号:CA824889D
Applicant: NORRIS INDUSTRIES
Inventor: RUSSELL FRED J , CIROCCO PAUL
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公开(公告)号:CA841395A
公开(公告)日:1970-05-12
申请号:CA841395D
Applicant: NORRIS INDUSTRIES
Inventor: RUSSELL FRED J , WITT JOSEPH D , CIROCCO PAUL
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公开(公告)号:CA841394A
公开(公告)日:1970-05-12
申请号:CA841394D
Applicant: NORRIS INDUSTRIES
Inventor: RUSSELL FRED J , CIROCCO PAUL , WITT JOSEPH D
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公开(公告)号:CA804841A
公开(公告)日:1969-01-28
申请号:CA804841D
Applicant: NORRIS INDUSTRIES
Inventor: RUSSELL FRED J , CIROCCO PAUL
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