Float valve

申请公布号：US2258450(A)

申请号：US19400350026

申请日期：1940.08.02

申请公布日期：1941.10.07

申请人：

TEMPRITE PRODUCTS CORPORATION

发明人：GRAHAM FRANK O.

分类号：F16K31/26;F25B41/06

主分类号：F16K31/26

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