4. Railway rolling stock
  5. Special car bodies
  6. Passenger

Masaaki Shigeyama

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Friction stir welding method and group of shape members for...

Metal fusion bonding – Process – Using dynamic frictional energy
Reexamination Certificate

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Friction stir welding method and group of shape members for...

Stock material or miscellaneous articles – All metal or with adjacent metals – Having member which crosses the plane of another member
Reexamination Certificate

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Railway car

Railway rolling stock – Special car bodies – Passenger
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2675366

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