Manufacture of window bags

申请公布号：US2662578(A)

申请号：US19490103510

申请日期：1949.07.07

申请公布日期：1953.12.15

申请人：

BEMIS BRO. BAG COMPANY

发明人：BELCHER DANIEL;WILLIAMS RUSSELL J.;HEIMOS MILTON J.

分类号：B31B19/82

主分类号：B31B19/82

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