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经营范围
发明名称
PULPING APPARATUS
摘要
申请公布号
US3489356(A)
申请公布日期
1970.01.13
申请号
USD3489356
申请日期
1966.09.20
申请人
WASCON SYSTEMS INC.
发明人
WILLIAM H. COMBS;SAM N. CRAIG;ELLIS R. WARNER JR.
分类号
D21D1/32;(IPC1-7):B02C7/08;B02C7/12;B02C13/28
主分类号
D21D1/32
代理机构
代理人
主权项
地址
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