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发明名称
METHOD OF WATERPROOFING INORGANIC HYDROUS OXIDE BODIES AND PRODUCTS
摘要
申请公布号
CA449866(A)
申请公布日期
1948.07.13
申请号
CAD449866
申请日期
申请人
RESEARCH CORPORATION
发明人
ERNST A. HAUSER
分类号
主分类号
代理机构
代理人
主权项
地址
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