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Swinging sash operator

申请公布号:US2817511(A)

申请号:US19540422395

申请日期:1954.04.12

申请公布日期:1957.12.24

申请人:
VALLEY METAL PRODUCTS CO.

发明人:REYNAUD SAMUEL CHESTER

分类号:E05F11/10;E05F11/16

主分类号:E05F11/10

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