Device for protecting threads on pipe ends
申请公布号:US2061151(A)
申请号:US19350030958
申请日期:1935.07.12
申请公布日期:1936.11.17
发明人:GUNDERMAN LESTER S.
分类号:B65D59/00
主分类号:B65D59/00
Stable aqueous emulsions of nonionic surfactants.
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