BleckmannDUWMolenkampStrike, against a wage cut - 1934Strike, against a wage cut - 1935Strike, against a wage cut - 1935Strike, wage raise - 1936Strike, improvement of raw material - 1946Strike, wage demands excluding wage raise - 1946Strike, against the sacking or punishment of a colleague - 1948Strike, against a wage cut - 1950Strike, against the supervision - 1945Strike, against a wage cut - 1950Strike, against a wage cut - 1948Strike, wage raise - 1947Strike, wage demands excluding wage raise - 1948Strike, wage raise - 1948Strike, against the sacking or punishment of a colleague - 1946Strike, wage raise - 1947Strike, wage demands excluding wage raise - 1947Strike, against the supervision - 1947Strike, - 1948Strike, against a wage cut - 1953Strike, against the sacking or punishment of a colleague - 1958Strike, for better safety - 1953Strike, wage raise - 1954Strike, wage raise - 1963Strike, against a bankruptcy or closing down - 1992Strike, against a wage cut - 1955Strike, wage raise - 1955Strike, organization of work - 1957Strike, other demands - 1961Strike, organization of work - 1961Strike, wage raise - 1989Strike, against a bankruptcy or closing down - 1992Lockout, against sabotage acts - 1912Strike, collective agreement demanded by the employees - 2003demonstration, state regulations regarding labour conditions - 2006Strike, wage raise - 1900Strike, wage raise - 1902