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1994-10-10
Anordning til at forbinde søjler og bjælker af beton til dannelse af forbindelserne i skeletstrukturen til bygninger og lignende konstruktioner.
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1974-03-19
Roadway transition for expansion joints on road bridges etc.
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1986-11-26
Improved transportable structure, apt to build up houses or other dwellings
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1975-09-02
Shield structure for the face support in mines
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1967-06-13
Resilient biasing device for mine roof support props
PL70975B1
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1974-04-30
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1974-04-02
Mine roof support frames
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1974-01-01
Connecting means between a support cap and a prop head
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1982-01-29
Konzola pro lešení, zejména k podepírání bednění stěn
PL90941B1
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1977-02-28
PL170323B1
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1996-11-29
S tropnica PL
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1990-09-17
Fasadevegg.
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1959-10-27
Mine roof support devices
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1934-09-25
Concrete mold construction
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1956-06-12
Supporting frames
GB2237318A
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1991-05-01
A mine roof support
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1968-05-07
Roof supports suitable for use in mines
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1953-09-01
Mine supporting structure
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2021-11-02
可拆卸连接的支护设备
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1977-12-13
Mine roof supports
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1974-12-23
PL170966B1
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1997-02-28
Roof supporting arrangement for crossing of underground mine galleries
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1986-03-04
Roof support suitable for use in mines
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1970-12-22
Mine roof supports
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1973-10-02
Mine roof support bar assemblies