Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
Inventor
active
Apparatus for perforating roofing sheet material
Asphalt shingle
Double faced insulating board
Method for perforating roofing sheet material
Process for the manufacture of asphalt shingles
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Profile ID: LFUS-PAI-P-23475