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Home › Endoscope holding apparatus for inspecting the interiors of a reciprocating engine and rotary engine having ignition plug holes, endoscope apparatus including the endoscope holding apparatus and inspecting method

Endoscope holding apparatus for inspecting the interiors of a reciprocating engine and rotary engine having ignition plug holes, endoscope apparatus including the endoscope holding apparatus and inspecting method

US Patent 5335061 · Granted Aug 2, 1994

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