4. E - Fixed Constructions
  5. 21
  6. B

Jing James Yao

E - Fixed Constructions – 21 – B

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Inventor

Country: Canada

Bi-steel percussive drill rod

B - Operations – Transporting – 25 – D
Patent

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Drilling equipment

E - Fixed Constructions – 21 – B
Patent

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Vibratory milling machine having linear reciprocating motion

B - Operations – Transporting – 28 – D
Patent

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Vibratory milling machine having linear reciprocating motion

E - Fixed Constructions – 21 – C
Patent

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Profile ID: LFCA-PAI-P-1304578

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