4. Metal treatment
  5. Stock
  6. Ferrous

Hisashi Amaya

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High strength Cr-Ni alloy material and seamless pipe for oil...

Alloys or metallic compositions – Containing over 50 per cent metal but no base metal – Iron containing
Reexamination Certificate

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Martensitic stainless steel having oxide scale layers

Stock material or miscellaneous articles – Composite – Of metal
Reexamination Certificate

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Martensitic stainless steel pipe and method for manufacturing th

Metal treatment – Stock – Ferrous
Patent

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Martensitic stainless steel products

Metal treatment – Stock – Ferrous
Reexamination Certificate

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Oil well steel pipe for embedding-expanding

Wells – Expansible anchor or casing – Expansible casing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-386405

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