BE428751A - - Google Patents

Info

Publication number
BE428751A
BE428751A BE428751DA BE428751A BE 428751 A BE428751 A BE 428751A BE 428751D A BE428751D A BE 428751DA BE 428751 A BE428751 A BE 428751A
Authority
BE
Belgium
Prior art keywords
parts
weight
acid
crotylidene
acetic acid
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE428751A publication Critical patent/BE428751A/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61LGUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L3/00Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
    • B61L3/02Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control
    • B61L3/08Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically
    • B61L3/12Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal at selected places along the route, e.g. intermittent control simultaneous mechanical and electrical control controlling electrically using magnetic or electrostatic induction; using radio waves

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BE428751D BE428751A (d)

Publications (1)

Publication Number Publication Date
BE428751A true BE428751A (d)

Family

ID=89063

Family Applications (1)

Application Number Title Priority Date Filing Date
BE428751D BE428751A (d)

Country Status (1)

Country Link
BE (1) BE428751A (d)

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