TREA

for making valve inserts for bags

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Industry

  • CPC
  • B31D5/0034
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B31Paper goods B31DMAKING ARTICLES OF PAPER OR CARDBOARD NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C B31D5/00Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles

Current Industry

B31D5/0034for making valve inserts for bags
Industries