BE633746A - - Google Patents

Info

Publication number
BE633746A
BE633746A BE633746DA BE633746A BE 633746 A BE633746 A BE 633746A BE 633746D A BE633746D A BE 633746DA BE 633746 A BE633746 A BE 633746A
Authority
BE
Belgium
Prior art keywords
spring
indicator
balance
weighing
calibration
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE633746A publication Critical patent/BE633746A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/06Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2
    • C07D311/08Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring
    • C07D311/16Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 2 not hydrogenated in the hetero ring substituted in position 7
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01GWEIGHING
    • G01G3/00Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances
    • G01G3/02Weighing apparatus characterised by the use of elastically-deformable members, e.g. spring balances wherein the weighing element is in the form of a helical spring

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
BE633746D BE633746A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE633746A true BE633746A (enrdf_load_stackoverflow)

Family

ID=201149

Family Applications (1)

Application Number Title Priority Date Filing Date
BE633746D BE633746A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE633746A (enrdf_load_stackoverflow)

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