PL61344B1 - - Google Patents

Info

Publication number

PL61344B1

PL61344B1 PL122998A PL12299867A PL61344B1 PL 61344 B1 PL61344 B1 PL 61344B1 PL 122998 A PL122998 A PL 122998A PL 12299867 A PL12299867 A PL 12299867A PL 61344 B1 PL61344 B1 PL 61344B1

Authority

PL

Poland

Prior art keywords

row

rows

wall

guide

articulated

Prior art date

1967-10-13

Links

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• Global Dossier
• Discuss

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• 238000000034 method Methods 0.000 claims description 16
• 238000005065 mining Methods 0.000 claims description 11
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• 238000006073 displacement reaction Methods 0.000 claims description 5
• 239000000725 suspension Substances 0.000 claims description 4
• 230000000694 effects Effects 0.000 claims description 3
• 239000012530 fluid Substances 0.000 claims description 3
• 230000007480 spreading Effects 0.000 claims description 2
• 230000004048 modification Effects 0.000 claims 1
• 238000012986 modification Methods 0.000 claims 1
• 238000010079 rubber tapping Methods 0.000 claims 1
• 238000010276 construction Methods 0.000 description 5
• 239000002023 wood Substances 0.000 description 5
• 239000003245 coal Substances 0.000 description 2
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