AU445309B2 - Pneumatic percussion device for making holes inthe ground by packing the latter - Google Patents

Pneumatic percussion device for making holes inthe ground by packing the latter

Info

Publication number
AU445309B2
AU445309B2 AU11893/70A AU1189370A AU445309B2 AU 445309 B2 AU445309 B2 AU 445309B2 AU 11893/70 A AU11893/70 A AU 11893/70A AU 1189370 A AU1189370 A AU 1189370A AU 445309 B2 AU445309 B2 AU 445309B2
Authority
AU
Australia
Prior art keywords
packing
percussion device
making holes
pneumatic percussion
holes inthe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
AU11893/70A
Other versions
AU1189370A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institut Goninon Dela Sibirskogo Otdelenia Ansssr
Original Assignee
Institut Goninon Dela Sibirskogo Otdelenia Ansssr
Filing date
Publication date
Application filed by Institut Goninon Dela Sibirskogo Otdelenia Ansssr filed Critical Institut Goninon Dela Sibirskogo Otdelenia Ansssr
Application granted granted Critical
Publication of AU1189370A publication Critical patent/AU1189370A/en
Publication of AU445309B2 publication Critical patent/AU445309B2/en
Expired legal-status Critical Current

Links

AU11893/70A 1970-02-26 Pneumatic percussion device for making holes inthe ground by packing the latter Expired AU445309B2 (en)

Publications (2)

Publication Number Publication Date
AU1189370A AU1189370A (en) 1971-09-02
AU445309B2 true AU445309B2 (en) 1971-09-02

Family

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