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发明名称
TWO-WAY MAILING ENVELOPE
摘要
申请公布号
CA901533(A)
申请公布日期
1972.05.30
申请号
CAD901533
申请日期
1969.12.09
申请人
DOMINION ENVELOPE COMPANY LIMITED
发明人
BRUCE A. MACDOUGALL
分类号
B42D5/02;(IPC1-7):B42D5/02;B42D15/08;B65D27/06;B65D27/10
主分类号
B42D5/02
代理机构
代理人
主权项
地址
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