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经营范围
发明名称
Method of separating the constituents of gutta percha resins
摘要
申请公布号
GB424819(A)
申请公布日期
1935.02.28
申请号
GB19340027363
申请日期
1934.09.24
申请人
ELECTRICAL RESEARCH PRODUCTS INC.;GEORGE STEPHEN MUELLER
发明人
分类号
C09F1/00
主分类号
C09F1/00
代理机构
代理人
主权项
地址
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