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发明名称
Calendar making
摘要
申请公布号
US1788441(A)
申请公布日期
1931.01.13
申请号
US19280329516
申请日期
1928.12.31
申请人
SAMUELSON ALBERT J
发明人
SAMUELSON ALBERT J.
分类号
B42B4/00;B42D5/04;B65H45/12;B65H45/24
主分类号
B42B4/00
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