CA399298A - Methode de protection de la houille - Google Patents

Methode de protection de la houille

Info

Publication number
CA399298A
CA399298A CA399298A CA399298DA CA399298A CA 399298 A CA399298 A CA 399298A CA 399298 A CA399298 A CA 399298A CA 399298D A CA399298D A CA 399298DA CA 399298 A CA399298 A CA 399298A
Authority
CA
Canada
Prior art keywords
coal
protecting method
protecting
coal protecting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA399298A
Other languages
English (en)
Inventor
M. Wattles George
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA399298A publication Critical patent/CA399298A/fr
Expired legal-status Critical Current

Links

CA399298A Methode de protection de la houille Expired CA399298A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA399298T

Publications (1)

Publication Number Publication Date
CA399298A true CA399298A (fr) 1941-09-16

Family

ID=35409758

Family Applications (1)

Application Number Title Priority Date Filing Date
CA399298A Expired CA399298A (fr) Methode de protection de la houille

Country Status (1)

Country Link
CA (1) CA399298A (fr)

Similar Documents

Publication Publication Date Title
CA399298A (fr) Methode de protection de la houille
CA399430A (fr) Methode a traiter la houille
CA396130A (fr) Methode a enduire le charbon
CA398710A (fr) Parafoudre a surface de porcelaine
CA399657A (fr) Garniture blindee
CA394387A (fr) Coupe-froid
CA394161A (fr) Derive de phenanthroline
CA393770A (fr) Transporteur
CA393744A (fr) Convoyeur de moissonneuse-batteuse
CA393769A (fr) Transporteur
CA399886A (fr) Patin de ski
CA401662A (fr) Meule a pulpe
CA397982A (fr) Lustre
CA397760A (fr) Carabine-jouet
CA398301A (fr) Teledactylotype
CA395085A (fr) Fenetre a coulisses
CA395027A (fr) Aminoarsenobenzene bi-hydroxyalcoyle
CA395017A (fr) 2-aryl-pseudonaphtazimide hydroxylise
CA394872A (fr) B-ionylidene-acetaldehyde
CA394733A (fr) Radio-phonographe
CA393975A (fr) Ancre de hauban
CA398026A (fr) Thermohydrometre
AU113358B2 (en) Electrodifferentiator
CA398728A (fr) Teinture diazoique
CA397098A (fr) K-strophanthine-b