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

Franz-Josef Puttmann

E - Fixed Constructions – 21 – D

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Inventor

Country: Germany

Apparatus for static underground drilling

E - Fixed Constructions – 21 – D
Patent

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Boring apparatus

E - Fixed Constructions – 21 – B
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Machine for horizontal percussion boring

E - Fixed Constructions – 21 – B
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Reversible percussion piston drill apparatus

E - Fixed Constructions – 21 – B
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Steerable boring machine

E - Fixed Constructions – 21 – B
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Profile ID: LFCA-PAI-P-1701114

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