Tuile de couverture en ciment

申请公布号：FR946366(A)

申请号：FRD946366

申请日期：1947.04.29

申请公布日期：1949.06.01

发明人：SILVEN WOLNYS-JULIEN-EMILE

分类号：E04D1/04

主分类号：E04D1/04

MINING MACHINE FEED MECHANISM

DEVICE FOR BREAKING ROCK BY LIQUID JET

PERFORATOR DRILL

SOUND-INSULATING ARRANGEMENT FOR ABSORBING SOUND IN AIR DUCTING

COUPLING OPTICAL FIBRES

COLLAPSIBLE BANJO OR LIKE STRINGED INSTRUMENTS

CONTROLLING GAS SUPPLY

RECIRCULATING FLOWING GAS LASER ARRANGEMENT

ANGULAR VELOCITY SENSOR BASED ON A RING LASER

PROGRAMMING SYSTEM FOR AUTOMATIC SEWING MACHINE

Intermittent rotary table

SELF-ADVANCING MINE-ROOF SUPPORT

FLAT BED KNITTING MACHINE

Textile finishing

Apparatus for Detecting Defects in Glass Containers

Adaptable filler cap

Polypeptide production

Elutriators

METHOD AND APPARATUS FOR REDUCING MOLECULAR AGGLOMERATE SIZES IN FLUIDS

Pools for boats