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发明名称
SPONGE PRODUCTS CONTAINING BUTYL RUBBER, A SULPHONATED PETROLEUM PRODUCT AND TALC
摘要
申请公布号
CA556379(A)
申请公布日期
1958.04.22
申请号
CAD556379
申请日期
申请人
POLYMER CORPORATION LIMITED
发明人
HEINZ A. PFISTERER;DAVID W. G. HAY
分类号
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