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发明名称
NON-COMBUSTIBLE HARDBOARD SHEET
摘要
申请公布号
GB1557317(A)
申请公布日期
1979.12.05
申请号
GB19760048726
申请日期
1976.11.23
申请人
CONWED CORP
发明人
分类号
D21J5/00;D21H13/36;D21J1/18;(IPC1-7):D21J1/18
主分类号
D21J5/00
代理机构
代理人
主权项
地址
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