4. Expanded, threaded, driven, headed, tool-deformed, or locked-thr
  5. Washer structure
  6. Sealing

Isamu Ichizuka

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Compound water-sealing sealant

Stock material or miscellaneous articles – Composite – Of polyamidoester
Patent

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Washer with elastic water-swellable rubber

Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Washer structure – Sealing
Patent

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Water-sealing sheet

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent

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Profile ID: LFUS-PAI-P-564151

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