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Class Information
Number: 175/311
Name: Boring or penetrating the earth > With receptacle > Suspended below bit
Description: Apparatus in which the receptacle is suspended in a preformed hole below the cutting portion of the tool.

Patents under this class:

Patent Number Title Of Patent Date Issued
6854536 Pile reamer with spoil container Feb. 15, 2005
4381118 Multi-hitch apparatus for tandem towing of farm implements Apr. 26, 1983
4125167 Big hole bit Nov. 14, 1978
4102413 Rock drilling apparatus and method Jul. 25, 1978

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