Paperworks (unspecified)
Strike, - 1935Strike, - 1947Strike, other demands - 1946Strike, - 1948Strike, protest against lay-off days - 1952Strike, state regulations regarding labour conditions - 1979collective resignation, wage raise - 1872Strike, wage raise - 2013Strike, collective agreement demanded by the employees - 1988Strike, wage raise - 1921Strike, - 1927Strike, - 1922Strike, - 1897Strike, - 1926Strike, - 1924