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Improvements in and relating to fluid actuated valves and valve fittings

申请公布号:GB538650(A)

申请号:GB19400002424

申请日期:1940.02.08

申请公布日期:1941.08.12

申请人:
LEONARD EUGENE COWEY

分类号:F23N1/08

主分类号:F23N1/08

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