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发明名称
REVERSIBLE AND QUICK-CHANGE CARTRIDGE SPOOL
摘要
申请公布号
CA920115(A)
申请公布日期
1973.01.30
申请号
CA19720141678
申请日期
1972.05.09
申请人
BERKLEY & CO INC
发明人
RUMBAUGH J;LILLAND L
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主分类号
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