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发明名称
PYRAMID PAPERWEIGHT
摘要
申请公布号
CA44021(S)
申请公布日期
1978.08.14
申请号
CANDAT0044021F
申请日期
申请人
393487 ONTARIO LIMITED DOING BUSINESS AS PYRALINEPRODUCTS
发明人
分类号
主分类号
代理机构
代理人
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