Joseph Challan Belval

• 
• Born in 1911
• Deceased on July 18, 2004, at the approximate age of 92 years

Parents

• André Challan Belval (1884 - 1979)
• Madeleine Picard (1886 - 1950)

Family

• Married in 1946, with Private

Occupations

• ingénieur INA-PG