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发明名称
Method of preparing perlite products
摘要
申请公布号
US3235635(A)
申请公布日期
1966.02.15
申请号
US19610114314
申请日期
1961.06.02
申请人
JOHNS-MANVILLE CORPORATION
发明人
RIEDE RAYMOND G.
分类号
B01D39/06;B01J20/10;C04B18/02
主分类号
B01D39/06
代理机构
代理人
主权项
地址
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