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经营范围
发明名称
Process for fissuring acoustical fiberboards
摘要
申请公布号
US3086878(A)
申请公布日期
1963.04.23
申请号
US19600066459
申请日期
1960.11.01
申请人
MINNESOTA AND ONTARIO PAPER COMPANY
发明人
LAURING EDGAR A.
分类号
D21J1/08;E04B1/84;E04B1/86
主分类号
D21J1/08
代理机构
代理人
主权项
地址
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