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发明名称
Pulpstone
摘要
申请公布号
US2810995(A)
申请公布日期
1957.10.29
申请号
US19560626187
申请日期
1956.12.04
申请人
NORTON COMPANY
发明人
JR. LORING COES,;KRAFT MARION S.
分类号
D21B1/12
主分类号
D21B1/12
代理机构
代理人
主权项
地址
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