4. Pipes and tubular conduits
  5. Longitudinally seamed
  6. Sectional

Shozo Iizuka

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Corner piece-less duct, method of producing the same, and...

Pipe joints or couplings – Materials – Sheet
Reexamination Certificate

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Duct hanger and method for hanging duct using hanger

Pipes and tubular conduits – Combined – With external support structure
Reexamination Certificate

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Duct joint structure

Pipes and tubular conduits – Longitudinally seamed – Sectional
Reexamination Certificate

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Duct joint structure, assembly tool, duct assembly method and ha

Pipes and tubular conduits – Longitudinally seamed – Sectional
Patent

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Duct joint structure, assembly tool, duct assembly method and ha

Pipes and tubular conduits – Longitudinally seamed – Sectional
Patent

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Profile ID: LFUS-PAI-P-1015244

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